Table 3.

The dosimetric effect of the intrafractional DIBH isocenter reproducibility for tangential treatment. The median values and ranges for the minimum and maximum values of the various dosimetric parameters for the three cumulative probability levels: 50%, 90%, and maximum (M) are presented for the isocenter‐shifted plans. The corresponding values for the original DIBH plans are included for comparison

	Original plan	Isocenter shifted plan
		50%min	50%max	90%min	90%max	Mmin	Mmax
Dmean,heart	0.71 [0.32–1.72]	0.67 [0.30–1.42]	0.75 [0.34–2.08]	0.62 [0.27–1.14]	0.84 [0.38–2.72]	0.56 [0.23–0.94]	0.96 [0.43–3.71]
D2%,heart	2.70 [1.45–11.85]	2.50 [1.35–7.46]	3.00 [1.56–22.60]	2.31 [1.21–5.10]	3.37 [1.73–39.61]	2.09 [1.05–3.92]	4.54 [1.99–46.03]
Dmean,LAD	2.47 [1.58–13.81]	2.34 [1.51–11.48]	2.61 [1.65–16.01]	2.18 [1.40–7.94]	2.92 [1.76–18.76]	1.99 [1.25–4.34]	3.67 [1.92–21.75]
D2%,LAD	5.27 [2.38–47.77]	4.84 [2.27–46.34]	5.79 [2.51–48.68]	4.31 [2.10–40.93]	6.83 [2.71–49.47]	3.71 [1.93–20.00]	9.93 [3.06–49.97]
Dmean,lung	5.36 [2.75–9.05]	4.85 [2.43–8.34]	5.79 [3.09–9.76]	4.18 [2.03–7.43]	6.71 [3.55–10.73]	3.46 [1.57–6.34]	7.74 [4.18–11.97]
V20Gy,lung	8.92 [4.25–16.30]	7.67 [3.60–14.73]	10.17 [4.96–17.89]	6.21 [2.81–12.62]	11.01 [5.99–20.02]	4.37 [1.82–10.06]	14.08 [7.41–22.75]
D98%,PTV	92.47 [90.58–94.64]	92.19 [30.35–94.46]	92.64 [90.66–94.73]	90.61 [87.23–94.24]	92.72 [90.73–94.79]	85.29 [55.08–92.69]	92.81 [90.83–94.76]